[INFO] fetching crate barriers 0.2.0...
[INFO] testing barriers-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate barriers 0.2.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate barriers 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barriers 0.2.0
[INFO] finished tweaking crates.io crate barriers 0.2.0
[INFO] tweaked toml for crates.io crate barriers 0.2.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e6b08aedb75e03044b38dd20470df7c61a8ee998d06f13af699429da9989367
[INFO] running `Command { std: "docker" "start" "-a" "1e6b08aedb75e03044b38dd20470df7c61a8ee998d06f13af699429da9989367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e6b08aedb75e03044b38dd20470df7c61a8ee998d06f13af699429da9989367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6b08aedb75e03044b38dd20470df7c61a8ee998d06f13af699429da9989367", kill_on_drop: false }`
[INFO] [stdout] 1e6b08aedb75e03044b38dd20470df7c61a8ee998d06f13af699429da9989367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4256b8d5a087de9075e7c1078e7f300ad0e11207a0975d345ddb57a6fa50d723
[INFO] running `Command { std: "docker" "start" "-a" "4256b8d5a087de9075e7c1078e7f300ad0e11207a0975d345ddb57a6fa50d723", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling barriers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "4256b8d5a087de9075e7c1078e7f300ad0e11207a0975d345ddb57a6fa50d723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4256b8d5a087de9075e7c1078e7f300ad0e11207a0975d345ddb57a6fa50d723", kill_on_drop: false }`
[INFO] [stdout] 4256b8d5a087de9075e7c1078e7f300ad0e11207a0975d345ddb57a6fa50d723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26a22f8fac68016ac4577bddb2e68ff1e82146c22bd73eb42622a02f73db4c3
[INFO] running `Command { std: "docker" "start" "-a" "c26a22f8fac68016ac4577bddb2e68ff1e82146c22bd73eb42622a02f73db4c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling barriers v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "c26a22f8fac68016ac4577bddb2e68ff1e82146c22bd73eb42622a02f73db4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26a22f8fac68016ac4577bddb2e68ff1e82146c22bd73eb42622a02f73db4c3", kill_on_drop: false }`
[INFO] [stdout] c26a22f8fac68016ac4577bddb2e68ff1e82146c22bd73eb42622a02f73db4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 126bd66c14401d4dae32bee8afa136aa7aadf6a4ca9011f0791e1698fcb01485
[INFO] running `Command { std: "docker" "start" "-a" "126bd66c14401d4dae32bee8afa136aa7aadf6a4ca9011f0791e1698fcb01485", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/barriers-2a10d98b74b51b8a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test barrier::tests::bench_it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests barriers
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "126bd66c14401d4dae32bee8afa136aa7aadf6a4ca9011f0791e1698fcb01485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126bd66c14401d4dae32bee8afa136aa7aadf6a4ca9011f0791e1698fcb01485", kill_on_drop: false }`
[INFO] [stdout] 126bd66c14401d4dae32bee8afa136aa7aadf6a4ca9011f0791e1698fcb01485